this post was submitted on 15 Oct 2023
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In case of nuclear winter, I don't think renewable energy is going to be the main concern.
However, it is possible to put solar panels on satellites that transmit the energy down to the surface. It's costly and dangerous, but a benefit over surface solar is that the satellites can point at the sun for longer time during days and send the energy to places that are not in the sun, thereby producing solar power 24/7. It's wildly impractical and expensive, but in case of nuclear winter it may be a realistic solution.
https://en.m.wikipedia.org/wiki/Space-based_solar_power
Wouldn't the dust in the atmosphere also prevent energy transmission just as it does solar?
Wind, still works
You'd use frequencies that can penetrate cloud cover in that case, it wouldn't work otherwise because then it would still be subject to weather.